Nicer concentration profile in geometric_diffusion, jacobian still wrong
Nicer concentration profile in geometric_diffusion, jacobian still wrong

Passing --with-jacobian causes numerical instability => Bug in jacobian routine.

bjodah/chemreac,bjodah/chemreac,bjodah/chemreac,chemreac/chemreac,chemreac/chemreac,chemreac/chemreac,bjodah/chemreac,chemreac/chemreac